Theoretical investigation finds that edge modes in Fibonacci quasicrystals form Fibonacci-Andreev bound states that control and can dominate the Josephson current via phason angle tuning.
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cond-mat.supr-con 2years
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In an asymmetric-band model with momentum-local repulsion, increasing the interaction from U=0 to U=4 raises the superconducting diode efficiency from 4.6% to 19%.
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The Josephson effect in Fibonacci superconductors
Theoretical investigation finds that edge modes in Fibonacci quasicrystals form Fibonacci-Andreev bound states that control and can dominate the Josephson current via phason angle tuning.
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Enhanced Superconducting Diode Effect in the Asymmetric Hatsugai-Kohmoto Model
In an asymmetric-band model with momentum-local repulsion, increasing the interaction from U=0 to U=4 raises the superconducting diode efficiency from 4.6% to 19%.